Emissions Related DTCs
Action Taken When the DTC Sets - Type A
The engine control module illuminates the malfunction indicator lamp (MIL) when
the diagnostic runs and fails.
Action Taken When the DTC Sets - Type B
The engine control module illuminates the MIL on the second consecutive ignition
cycle that the diagnostic runs and fails.
Conditions for Clearing the MIL/DTC - Type A or Type B
| • | The engine control module turns OFF the MIL after 3 consecutive
ignition cycles that the diagnostic runs and does not fail. |
| • | A current DTC Last Test Failed clears when the diagnostic runs and passes. |
| • | Use a scan tool in order to clear the MIL and the DTC. |
Non-Emissions Related DTCs
Action Taken When the DTC Sets - Type C
| • | The engine control module stores the DTC information into memory when
the diagnostic runs and fails. |
| • | The MIL will not illuminate. |
| • | The driver information centre, if equipped, may display a message. |
Conditions for Clearing the DTC - Type C
| • | A last test failed, or current DTC, clears when the diagnostic runs and
passes. |
| • | Use a scan tool in order to clear the DTC. |
